• Nie Znaleziono Wyników

The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN and the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF

(Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF

(Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (U.K.) and BNL (U.S.A.)

JHEP03(2016)127

Open Access. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

References

[1] ATLAS collaboration, Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC,Phys. Lett. B 716(2012) 1

[arXiv:1207.7214] [INSPIRE].

[2] CMS collaboration, Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC,Phys. Lett. B 716(2012) 30[arXiv:1207.7235] [INSPIRE].

[3] ATLAS, CMS collaborations, Combined Measurement of the Higgs Boson Mass in pp Collisions at√

s = 7 and 8 TeV with the ATLAS and CMS Experiments,Phys. Rev. Lett.

114(2015) 191803 [arXiv:1503.07589] [INSPIRE].

[4] T.D. Lee, A Theory of Spontaneous T Violation,Phys. Rev. D 8(1973) 1226[INSPIRE].

[5] T.P. Cheng and L.-F. Li, Neutrino Masses, Mixings and Oscillations in SU(2) × U(1) Models of Electroweak Interactions,Phys. Rev. D 22(1980) 2860[INSPIRE].

[6] J. Schechter and J.W.F. Valle, Neutrino Masses in SU(2) × U(1) Theories,Phys. Rev. D 22 (1980) 2227[INSPIRE].

[7] G. Lazarides, Q. Shafi and C. Wetterich, Proton Lifetime and Fermion Masses in an SO(10) Model,Nucl. Phys. B 181 (1981) 287[INSPIRE].

[8] R.N. Mohapatra and G. Senjanovi´c, Neutrino Masses and Mixings in Gauge Models with Spontaneous Parity Violation,Phys. Rev. D 23(1981) 165[INSPIRE].

[9] M. Magg and C. Wetterich, Neutrino Mass Problem and Gauge Hierarchy,Phys. Lett. B 94 (1980) 61[INSPIRE].

[10] R. Harlander, M. Kr¨amer and M. Schumacher, Bottom-quark associated Higgs-boson production: reconciling the four- and five-flavour scheme approach,arXiv:1112.3478 [INSPIRE].

[11] LHC Higgs Cross Section Working Group, J.R. Andersen et al., Handbook of LHC Higgs Cross Sections: 3. Higgs Properties,CERN-2013-004[arXiv:1307.1347] [INSPIRE].

[12] LEP, DELPHI, OPAL, ALEPH, L3 collaborations, G. Abbiendi et al., Search for Charged Higgs bosons: Combined Results Using LEP Data,Eur. Phys. J. C 73 (2013) 2463 [arXiv:1301.6065] [INSPIRE].

[13] CDF collaboration, T. Aaltonen et al., Search for charged Higgs bosons in decays of top quarks inp¯p collisions at√

s = 1.96 TeV,Phys. Rev. Lett. 103(2009) 101803 [arXiv:0907.1269] [INSPIRE].

[14] D0 collaboration, V.M. Abazov et al., Search for Charged Higgs Bosons in Top Quark Decays,Phys. Lett. B 682(2009) 278[arXiv:0908.1811] [INSPIRE].

[15] D0 collaboration, V.M. Abazov et al., Search for charged Higgs bosons decaying to top and bottom quarks inp¯p collisions,Phys. Rev. Lett. 102(2009) 191802[arXiv:0807.0859]

[INSPIRE].

[16] CMS collaboration, Search for a light charged Higgs boson in top quark decays in pp collisions at √

s = 7 TeV,JHEP 07(2012) 143[arXiv:1205.5736] [INSPIRE].

JHEP03(2016)127

[17] ATLAS collaboration, Search for charged Higgs bosons decaying via H+→ τ ν in top quark pair events usingpp collision data at√

s = 7 TeV with the ATLAS detector, JHEP 06(2012) 039[arXiv:1204.2760] [INSPIRE].

[18] ATLAS collaboration, Search for charged Higgs bosons through the violation of lepton universality int¯t events using pp collision data at √

s = 7 TeV with the ATLAS experiment, JHEP 03(2013) 076[arXiv:1212.3572] [INSPIRE].

[19] ATLAS collaboration, Search for charged Higgs bosons decaying via H± → τ±ν in fully hadronic final states usingpp collision data at√

s = 8 TeV with the ATLAS detector,JHEP 03(2015) 088[arXiv:1412.6663] [INSPIRE].

[20] CMS collaboration, Search for a charged Higgs boson in pp collisions at√

s = 8 TeV,JHEP 11(2015) 018[arXiv:1508.07774] [INSPIRE].

[21] ATLAS collaboration, Search for a Charged Higgs Boson Produced in the Vector-Boson Fusion Mode with DecayH± → W±Z using pp Collisions at √

s = 8 TeV with the ATLAS Experiment,Phys. Rev. Lett. 114(2015) 231801[arXiv:1503.04233] [INSPIRE].

[22] ATLAS collaboration, Search for W0→ t¯b in the lepton plus jets final state in proton-proton collisions at a centre-of-mass energy of√

s = 8 TeV with the ATLAS detector,Phys. Lett. B 743(2015) 235[arXiv:1410.4103] [INSPIRE].

[23] ATLAS collaboration, Search for W0→ tb → qqbb decays in pp collisions at√

s = 8 TeV with the ATLAS detector,Eur. Phys. J. C 75(2015) 165[arXiv:1408.0886] [INSPIRE].

[24] P. Fayet, Supersymmetry and Weak, Electromagnetic and Strong Interactions,Phys. Lett. B 64(1976) 159[INSPIRE].

[25] P. Fayet, Spontaneously Broken Supersymmetric Theories of Weak, Electromagnetic and Strong Interactions,Phys. Lett. B 69(1977) 489[INSPIRE].

[26] G.R. Farrar and P. Fayet, Phenomenology of the Production, Decay and Detection of New Hadronic States Associated with Supersymmetry,Phys. Lett. B 76 (1978) 575[INSPIRE].

[27] P. Fayet, Relations Between the Masses of the Superpartners of Leptons and Quarks, the Goldstino Couplings and the Neutral Currents,Phys. Lett. B 84(1979) 416[INSPIRE].

[28] S. Dimopoulos and H. Georgi, Softly Broken Supersymmetry and SU(5),Nucl. Phys. B 193 (1981) 150[INSPIRE].

[29] ATLAS collaboration, The ATLAS Experiment at the CERN Large Hadron Collider,2008 JINST 3S08003[INSPIRE].

[30] ATLAS collaboration, Improved luminosity determination in pp collisions at √

s = 7 TeV using the ATLAS detector at the LHC,Eur. Phys. J. C 73 (2013) 2518[arXiv:1302.4393]

[INSPIRE].

[31] ATLAS collaboration, Estimation of non-prompt and fake lepton backgrounds in final states with top quarks produced in proton-proton collisions at√

s = 8 TeV with the ATLAS detector, ATLAS-CONF-2014-058.

[32] S. Frixione, P. Nason and G. Ridolfi, A Positive-weight next-to-leading-order Monte Carlo for heavy flavour hadroproduction,JHEP 09(2007) 126[arXiv:0707.3088] [INSPIRE].

[33] S. Alioli, P. Nason, C. Oleari and E. Re, A general framework for implementing NLO calculations in shower Monte Carlo programs: the POWHEG BOX,JHEP 06(2010) 043 [arXiv:1002.2581] [INSPIRE].

JHEP03(2016)127

[34] H.-L. Lai et al., New parton distributions for collider physics,Phys. Rev. D 82(2010) 074024 [arXiv:1007.2241] [INSPIRE].

[35] J. Gao et al., CT10 next-to-next-to-leading order global analysis of QCD,Phys. Rev. D 89 (2014) 033009[arXiv:1302.6246] [INSPIRE].

[36] T. Sj¨ostrand et al., High-energy physics event generation with PYTHIA 6.1,Comput. Phys.

Commun. 135(2001) 238[hep-ph/0010017] [INSPIRE].

[37] P.Z. Skands, Tuning Monte Carlo Generators: The Perugia Tunes,Phys. Rev. D 82(2010) 074018[arXiv:1005.3457] [INSPIRE].

[38] M. Cacciari, M. Czakon, M. Mangano, A. Mitov and P. Nason, Top-pair production at hadron colliders with next-to-next-to-leading logarithmic soft-gluon resummation,Phys. Lett.

B 710(2012) 612[arXiv:1111.5869] [INSPIRE].

[39] M. Beneke, P. Falgari, S. Klein and C. Schwinn, Hadronic top-quark pair production with NNLL threshold resummation,Nucl. Phys. B 855 (2012) 695[arXiv:1109.1536] [INSPIRE].

[40] P. B¨arnreuther, M. Czakon and A. Mitov, Percent Level Precision Physics at the Tevatron:

First Genuine NNLO QCD Corrections toq ¯q → t¯t + X,Phys. Rev. Lett. 109(2012) 132001 [arXiv:1204.5201] [INSPIRE].

[41] M. Czakon and A. Mitov, NNLO corrections to top-pair production at hadron colliders: the all-fermionic scattering channels,JHEP 12(2012) 054[arXiv:1207.0236] [INSPIRE].

[42] M. Czakon and A. Mitov, NNLO corrections to top pair production at hadron colliders: the quark-gluon reaction,JHEP 01(2013) 080[arXiv:1210.6832] [INSPIRE].

[43] M. Czakon, P. Fiedler and A. Mitov, Total Top-Quark Pair-Production Cross Section at Hadron Colliders ThroughO(α4S),Phys. Rev. Lett. 110(2013) 252004 [arXiv:1303.6254]

[INSPIRE].

[44] M. Czakon and A. Mitov, Top++: A Program for the Calculation of the Top-Pair Cross-Section at Hadron Colliders,Comput. Phys. Commun. 185(2014) 2930 [arXiv:1112.5675] [INSPIRE].

[45] ATLAS collaboration, Search for the Standard Model Higgs boson produced in association with top quarks and decaying intob¯b in pp collisions at √

s = 8 TeV with the ATLAS detector,Eur. Phys. J. C 75(2015) 349[arXiv:1503.05066] [INSPIRE].

[46] ATLAS collaboration, Measurements of normalized differential cross sections for t¯t production in pp collisions at√

s = 7 TeV using the ATLAS detector, Phys. Rev. D 90 (2014) 072004[arXiv:1407.0371] [INSPIRE].

[47] T. Gleisberg et al., Event generation with SHERPA 1.1,JHEP 02(2009) 007 [arXiv:0811.4622] [INSPIRE].

[48] F. Cascioli, P. Maierhofer and S. Pozzorini, Scattering Amplitudes with Open Loops,Phys.

Rev. Lett. 108(2012) 111601 [arXiv:1111.5206] [INSPIRE].

[49] J. Alwall, M. Herquet, F. Maltoni, O. Mattelaer and T. Stelzer, MadGraph 5: Going Beyond, JHEP 06(2011) 128[arXiv:1106.0522] [INSPIRE].

[50] P.M. Nadolsky et al., Implications of CTEQ global analysis for collider observables,Phys.

Rev. D 78(2008) 013004[arXiv:0802.0007] [INSPIRE].

[51] ATLAS collaboration, ATLAS tunes of PYTHIA 6 and PYTHIA 8 for MC11, ATL-PHYS-PUB-2011-009(2011).

JHEP03(2016)127

[52] J.M. Campbell and R.K. Ellis, t¯tW± production and decay at NLO,JHEP 07(2012) 052 [arXiv:1204.5678] [INSPIRE].

[53] M.V. Garzelli, A. Kardos, C.G. Papadopoulos and Z. Tr´ocs´anyi, t ¯t W± and t ¯t Z

Hadroproduction at NLO accuracy in QCD with Parton Shower and Hadronization effects, JHEP 11(2012) 056[arXiv:1208.2665] [INSPIRE].

[54] B.P. Kersevan and E. Richter-Was, The Monte Carlo event generator AcerMC versions 2.0 to 3.8 with interfaces to PYTHIA 6.4, HERWIG 6.5 and ARIADNE 4.1,Comput. Phys.

Commun. 184(2013) 919[hep-ph/0405247] [INSPIRE].

[55] S. Frixione, E. Laenen, P. Motylinski, B.R. Webber and C.D. White, Single-top

hadroproduction in association with aW boson,JHEP 07(2008) 029[arXiv:0805.3067]

[INSPIRE].

[56] N. Kidonakis, Next-to-next-to-leading-order collinear and soft gluon corrections for t-channel single top quark production, Phys. Rev. D 83(2011) 091503[arXiv:1103.2792] [INSPIRE].

[57] N. Kidonakis, NNLL resummation for s-channel single top quark production, Phys. Rev. D 81(2010) 054028[arXiv:1001.5034] [INSPIRE].

[58] N. Kidonakis, Two-loop soft anomalous dimensions for single top quark associated production with aW orH,Phys. Rev. D 82(2010) 054018 [arXiv:1005.4451] [INSPIRE].

[59] A.D. Martin, W.J. Stirling, R.S. Thorne and G. Watt, Parton distributions for the LHC, Eur. Phys. J. C 63(2009) 189[arXiv:0901.0002] [INSPIRE].

[60] A.D. Martin, W.J. Stirling, R.S. Thorne and G. Watt, Uncertainties on αS in global PDF analyses and implications for predicted hadronic cross sections,Eur. Phys. J. C 64(2009) 653[arXiv:0905.3531] [INSPIRE].

[61] A.D. Martin, W.J. Stirling, R.S. Thorne and G. Watt, Heavy-quark mass dependence in global PDF analyses and 3- and 4-flavour parton distributions,Eur. Phys. J. C 70(2010) 51 [arXiv:1007.2624] [INSPIRE].

[62] M.L. Mangano, M. Moretti, F. Piccinini, R. Pittau and A.D. Polosa, ALPGEN, a generator for hard multiparton processes in hadronic collisions,JHEP 07(2003) 001[hep-ph/0206293]

[INSPIRE].

[63] K. Melnikov and F. Petriello, Electroweak gauge boson production at hadron colliders through O(α2S),Phys. Rev. D 74(2006) 114017 [hep-ph/0609070] [INSPIRE].

[64] ATLAS collaboration, Measurement of the production cross section of jets in association with aZ boson in pp collisions at √

s = 7 TeV with the ATLAS detector,JHEP 07(2013) 032[arXiv:1304.7098] [INSPIRE].

[65] G. Corcella et al., HERWIG 6: An Event generator for hadron emission reactions with interfering gluons (including supersymmetric processes),JHEP 01(2001) 010

[hep-ph/0011363] [INSPIRE].

[66] J.M. Butterworth, J.R. Forshaw and M.H. Seymour, Multiparton interactions in photoproduction at HERA,Z. Phys. C 72(1996) 637[hep-ph/9601371] [INSPIRE].

[67] ATLAS collaboration, New ATLAS event generator tunes to 2010 data, ATL-PHYS-PUB-2011-008(2011).

[68] J.M. Campbell and R.K. Ellis, MCFM for the Tevatron and the LHC,Nucl. Phys. Proc.

Suppl. 205-206(2010) 10[arXiv:1007.3492] [INSPIRE].

JHEP03(2016)127

[69] G. Bevilacqua et al., HELAC-NLO,Comput. Phys. Commun. 184(2013) 986 [arXiv:1110.1499] [INSPIRE].

[70] M.V. Garzelli, A. Kardos, C.G. Papadopoulos and Z. Tr´ocs´anyi, Standard Model Higgs boson production in association with a top anti-top pair at NLO with parton showering,Europhys.

Lett. 96(2011) 11001[arXiv:1108.0387] [INSPIRE].

[71] T. Sj¨ostrand, S. Mrenna and P.Z. Skands, A Brief Introduction to PYTHIA 8.1,Comput.

Phys. Commun. 178(2008) 852[arXiv:0710.3820] [INSPIRE].

[72] ATLAS collaboration, Summary of ATLAS PYTHIA 8 tunes, ATL-PHYS-PUB-2012-003 (2012).

[73] LHC Higgs Cross Section Working Group, S. Dittmaier et al., Handbook of LHC Higgs Cross Sections: 1. Inclusive Observables,arXiv:1101.0593[INSPIRE].

[74] Z. Was and P. Golonka, TAUOLA as tau Monte Carlo for future applications,Nucl. Phys.

Proc. Suppl. 144(2005) 88[hep-ph/0411377] [INSPIRE].

[75] E. Barberio, B. van Eijk and Z. Was, PHOTOS: A Universal Monte Carlo for QED radiative corrections in decays, Comput. Phys. Commun. 66(1991) 115[INSPIRE].

[76] N. Davidson, T. Przedzinski and Z. Was, PHOTOS Interface in C++: Technical and Physics Documentation, Comput. Phys. Commun. 199(2016) 86 [arXiv:1011.0937] [INSPIRE].

[77] ATLAS collaboration, The ATLAS Simulation Infrastructure,Eur. Phys. J. C 70(2010) 823[arXiv:1005.4568] [INSPIRE].

[78] GEANT4 collaboration, S. Agostinelli et al., GEANT4: A Simulation toolkit,Nucl.

Instrum. Meth. A 506(2003) 250[INSPIRE].

[79] ATLAS collaboration, The simulation principle and performance of the ATLAS fast calorimeter simulation FastCaloSim,ATL-PHYS-PUB-2010-013(2010).

[80] ATLAS collaboration, Electron reconstruction and identification efficiency measurements with the ATLAS detector using the 2011 LHC proton-proton collision data,Eur. Phys. J. C 74(2014) 2941[arXiv:1404.2240] [INSPIRE].

[81] ATLAS collaboration, Measurement of the muon reconstruction performance of the ATLAS detector using 2011 and 2012 LHC proton-proton collision data,Eur. Phys. J. C 74(2014) 3130[arXiv:1407.3935] [INSPIRE].

[82] L. Lampl, Calorimeter Clustering Algorithms : Description and Performance, ATL-LARG-PUB-2008-002(2008).

[83] M. Cacciari, G.P. Salam and G. Soyez, The Anti-kt jet clustering algorithm,JHEP 04(2008) 063[arXiv:0802.1189] [INSPIRE].

[84] M. Cacciari and G.P. Salam, Dispelling the N3 myth for the kt jet-finder,Phys. Lett. B 641 (2006) 57[hep-ph/0512210] [INSPIRE].

[85] ATLAS collaboration, Jet energy measurement and its systematic uncertainty in proton-proton collisions at√

s = 7 TeV with the ATLAS detector, Eur. Phys. J. C 75(2015) 17[arXiv:1406.0076] [INSPIRE].

[86] ATLAS collaboration, Pile-up subtraction and suppression for jets in ATLAS, ATLAS-CONF-2013-083(2013).

[87] ATLAS collaboration, Measurement of the b-tag Efficiency in a Sample of Jets Containing Muons with5 fb−1 of Data from the ATLAS Detector,ATLAS-CONF-2012-043 (2012).

JHEP03(2016)127

[88] ATLAS collaboration, Calibration of b-tagging using dileptonic top pair events in a combinatorial likelihood approach with the ATLAS experiment,ATLAS-CONF-2014-004 (2014).

[89] ATLAS collaboration, Performance of jet substructure techniques for large-R jets in proton-proton collisions at√

s = 7 TeV using the ATLAS detector, JHEP 09(2013) 076 [arXiv:1306.4945] [INSPIRE].

[90] D. Krohn, J. Thaler and L.-T. Wang, Jet Trimming,JHEP 02(2010) 084 [arXiv:0912.1342] [INSPIRE].

[91] S.D. Ellis and D.E. Soper, Successive combination jet algorithm for hadron collisions,Phys.

Rev. D 48(1993) 3160 [hep-ph/9305266] [INSPIRE].

[92] J. Thaler and K. Van Tilburg, Identifying Boosted Objects with N-subjettiness, JHEP 03 (2011) 015[arXiv:1011.2268] [INSPIRE].

[93] J. Thaler and K. Van Tilburg, Maximizing Boosted Top Identification by Minimizing N-subjettiness,JHEP 02(2012) 093[arXiv:1108.2701] [INSPIRE].

[94] ATLAS collaboration, Performance of Missing Transverse Momentum Reconstruction in Proton-Proton Collisions at7 TeV with ATLAS,Eur. Phys. J. C 72 (2012) 1844

[arXiv:1108.5602] [INSPIRE].

[95] M. Carena, S. Heinemeyer, O. St˚al, C.E.M. Wagner and G. Weiglein, MSSM Higgs Boson Searches at the LHC: Benchmark Scenarios after the Discovery of a Higgs-like Particle,Eur.

Phys. J. C 73(2013) 2552 [arXiv:1302.7033] [INSPIRE].

[96] M. Flechl, R. Klees, M. Kr¨amer, M. Spira and M. Ubiali, Improved cross-section predictions for heavy charged Higgs boson production at the LHC,Phys. Rev. D 91(2015) 075015 [arXiv:1409.5615] [INSPIRE].

[97] S. Dittmaier, M. Kr¨amer, M. Spira and M. Walser, Charged-Higgs-boson production at the LHC: NLO supersymmetric QCD corrections,Phys. Rev. D 83(2011) 055005

[arXiv:0906.2648] [INSPIRE].

[98] E.L. Berger, T. Han, J. Jiang and T. Plehn, Associated production of a top quark and a charged Higgs boson,Phys. Rev. D 71(2005) 115012[hep-ph/0312286] [INSPIRE].

[99] A. H¨ocker et al., TMVA — Toolkit for Multivariate Data Analysis,PoS(ACAT)040 [physics/0703039].

[100] C. Bernaciak, M.S.A. Buschmann, A. Butter and T. Plehn, Fox-Wolfram Moments in Higgs Physics,Phys. Rev. D 87(2013) 073014[arXiv:1212.4436] [INSPIRE].

[101] M. Botje et al., The PDF4LHC Working Group Interim Recommendations, arXiv:1101.0538[INSPIRE].

[102] R.D. Ball et al., Parton distributions with LHC data,Nucl. Phys. B 867(2013) 244 [arXiv:1207.1303] [INSPIRE].

[103] M.L. Mangano, M. Moretti and R. Pittau, Multijet matrix elements and shower evolution in hadronic collisions: W b¯b + n jets as a case study,Nucl. Phys. B 632(2002) 343

[hep-ph/0108069] [INSPIRE].

[104] S. Frixione and B.R. Webber, Matching NLO QCD computations and parton shower simulations,JHEP 06(2002) 029[hep-ph/0204244] [INSPIRE].

JHEP03(2016)127

[105] M. B¨ahr et al., HERWIG++ Physics and Manual, Eur. Phys. J. C 58(2008) 639 [arXiv:0803.0883] [INSPIRE].

[106] J. Alwall et al., The automated computation of tree-level and next-to-leading order

differential cross sections and their matching to parton shower simulations,JHEP 07(2014) 079[arXiv:1405.0301] [INSPIRE].

[107] ATLAS collaboration, Combined search for the Standard Model Higgs boson in pp collisions at√

s = 7 TeV with the ATLAS detector,Phys. Rev. D 86(2012) 032003[arXiv:1207.0319]

[INSPIRE].

[108] A.L. Read, Presentation of search results: The CLS technique,J. Phys. G 28(2002) 2693 [INSPIRE].

[109] G. Cowan, K. Cranmer, E. Gross and O. Vitells, Asymptotic formulae for likelihood-based tests of new physics,Eur. Phys. J. C 71 (2011) 1554[Erratum ibid. C 73 (2013) 2501]

[arXiv:1007.1727] [INSPIRE].

[110] ATLAS collaboration, Measurement of the t-channel single top-quark production cross section inpp collisions at√

s = 7 TeV with the ATLAS detector,Phys. Lett. B 717(2012) 330[arXiv:1205.3130] [INSPIRE].

[111] A. Buckley et al., LHAPDF6: parton density access in the LHC precision era,Eur. Phys. J.

C 75(2015) 132[arXiv:1412.7420] [INSPIRE].

JHEP03(2016)127

Powiązane dokumenty